Reflux of gastric contents is common in young infants but usually self-limiting and not pathological. Gastroesophageal reflux disease refers to persistent reflux due to pathological factors that results in significant symptoms. Patients may exhibit oesophagitis, bleeding, nutritional failure, or respiratory problems. A high index of suspicion must thus be maintained for all patients. The aim of this article was to provide a concise review of the understanding of this disease, and also to discuss current diagnosis and management strategies for children with gastroesophageal reflux disease.